Advertisements
Advertisements
Question
State one way to reduce the moment of given force about a given axis of rotation.
Advertisements
Solution
The following are some methods for reducing the moment of a given force about a specific rotational axis:
- By reducing the force's magnitude.
-
By reducing the force's line of action's perpendicular distance from the rotational axis.
APPEARS IN
RELATED QUESTIONS
How does the magnitude of this non-contact force on the two bodies depend on the distance of separation between them?
Define force.
In Fig. a force F is applied in a direction passing through the pivoted point O of the body. Will the body rotate? Give reason to support your answer.
Classify the following amongst contact and non-contact force.
force of tension in a string
A car of mass 600 kg is moving with a speed of 10 m-1 while a scooter of mass 80 kg is moving with speed of 50 m s-1. which vehicle will require more force to stop it in the (1) same interval of time (2) same distance
The figure shows two forces each of magnitude 10 N acting at the point A and B at a separation of 50 cm, in opposite directions. Calculate the resultant moment of two forces about the point.
- A,
- B and
- O situated exactly at the middle of the two forces.
The S.I. unit of moment of force is ______.
The diagram shows a uniform metre rule weighing 100gf, pivoted at its centre O. Two weights 150gf and 250gf hang from the point A and B respectively of the metre rule such that OA = 40 cm and OB = 20 cm. Calculate :
the total clockwise moment about O
Under what condition will a set of gears produce a gain in torque.
A door lock is opened by turning the lever (handle) of length 0.2 m. If the moment of force produced is 1 Nm, then the minimum force required is ______.
